Shadow

What is a shadow?

• The sound of an object

• The color of an object

• The reflection of an object

• The light that cannot pass through an object

What objects can have shadows?

• Rocks and mountains

• Air and water

• Trees and people

• Clouds and sky

What determines the size of a shadow?

• The distance between the light source and the object

• The color of the object

• The material of the object

• The shape of the object

What is a lunar eclipse caused by?

• A shadow cast by the Earth on the Sun

• A shadow cast by the Earth on the Moon

• A shadow cast by the Moon on the Earth

• A shadow cast by the Sun on the Earth

How did people estimate time before clocks?

• Using the Moon phases

• Using the Sun's shadow

• Using the stars

• Using the tides

What causes the formartion of a rainbow?

• The reflection of light on water droplets

• The dispersion of light through a prism

• The refraction of light through glass

• The absorption of light by clouds

How does the angle of incidence affect the reflection of light?

• It determines the color of the reflected light

• It changes the speed of the reflected light

• It affects the intensity of the reflected light

• It has no effect on the reflection of light

What is the primary cause of the blue color of the sky?

• The reflection of the ocean

• The scattering of sunlight by air molecules

• The refraction of light though water vapor

• The absorption of light by clouds